How To Clear Error Codes On An Advent Air RV Air Conditioner System Thermostat

Updated 09/03/2024 | Published 02/20/2023

Question:

Is it possible to remove a code from a Advent thermostat?

asked by: James B

Expert Reply:

To reset the thermostat of your Advent Air RV Air Conditioner System # ADV64FR you'll need to complete the following steps:

Start with Thermostat in Off mode. Press and hold both the mode and fan button at the same time in the Off mode. Continue to press both buttons and press the power button and then release all 3 buttons. The LCD will flash On/Off while pressing all 3 buttons. Once the buttons are released the LCD will turn off and the system has been reset to factory settings and should clear the code.

expert reply by: Kevin C

Christopher

8/31/2024

My RV thermostat is Advant air with a dial on the right side and two switches for the on and off and heat the other Auto will your instructions work for it to

Kevin C.

9/3/2024

@Christopher What error code are you getting? I'll assume it's a communication error for now between the controller and thermostat. The analog ACTH11 thermostat that you have won't reset the same way so you'll just need to disconnect it from power for at least 2 mins for it to reset. If the error still doesn't clear ASA recommended disconnecting it from the wall and bringing it closer to the controller and splicing in to see if there's an issue with the wiring in your walls running between the two. If the wiring is fine and the error still doesn't clear then you will need to swap out both the thermostat and air distribution box to the # ACRG15 to upgrade from analog to digital. The old analog wiring will have way more communication wires than you'll need with the digital so you'll just connect to the power, ground, and any two of the communication wires you currently have.

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